--- title: "Changes to POST /lobbies/{lobby_id}/messages" method: POST path: "/lobbies/{lobby_id}/messages" --- # Changes to POST /lobbies/{lobby_id}/messages `POST /lobbies/{lobby_id}/messages` > Every recorded change to this endpoint, newest first. ## Timeline Changed in 8 of 60 revisions. - **2026-07-18** `8c1d0707ccdf` — 1 info - **2026-07-16** `a0996c886249` — 3 breaking - **2026-06-23** `d275bd0b41d9` — 3 info - **2026-06-05** `693bf1f99bba` — 1 breaking, 3 info - **2026-02-18** `e5cf2d4bd750` — 1 info - **2026-02-14** `af3972ab355c` — 93 info - **2026-02-04** `e200830e509a` — 10 info - **2026-01-15** `5c72b3477e32` — 3 warning ## Changes - **2026-07-18** `8c1d0707ccdf` — 1 info - added the optional property `lobby_member` to the response with the `201` status - **2026-07-16** `a0996c886249` — 3 breaking - the `attachments/items/filename` request property's minLength was increased from `0` to `1` (media type: application/json) - the `attachments/items/filename` request property's minLength was increased from `0` to `1` (media type: application/x-www-form-urlencoded) - the `attachments/items/filename` request property's minLength was increased from `0` to `1` (media type: multipart/form-data) - **2026-06-23** `d275bd0b41d9` — 3 info - added the new optional request property `attachments/items/is_spoiler` (media type: application/json) - added the new optional request property `attachments/items/is_spoiler` (media type: application/x-www-form-urlencoded) - added the new optional request property `attachments/items/is_spoiler` (media type: multipart/form-data) - **2026-06-05** `693bf1f99bba` — 1 breaking, 3 info - added `subschema #1: CRIMSON, subschema #2: BERRY, subschema #3: SKY, subschema #4: TEAL, subschema #5: FOREST, subschema #6: BUBBLE_GUM, subschema #7: VIOLET, subschema #8: COBALT, subschema #9: CLOVER, subschema #10: LEMON, subschema #11: WHITE, subschema #12: BLACK` to the `author/collectibles/oneOf[#/components/schemas/UserCollectiblesResponse]/nameplate/oneOf[#/components/schemas/UserNameplateResponse]/palette` response property `oneOf` list for the response status `201` - added `subschema #1: DEFAULT` to the `poll/oneOf[#/components/schemas/PollCreateRequest]/layout_type/oneOf[#/components/schemas/PollLayoutTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #1: DEFAULT` to the `poll/oneOf[#/components/schemas/PollCreateRequest]/layout_type/oneOf[#/components/schemas/PollLayoutTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #1: DEFAULT` to the `poll/oneOf[#/components/schemas/PollCreateRequest]/layout_type/oneOf[#/components/schemas/PollLayoutTypes]/` request property `oneOf` list (media type: multipart/form-data) - **2026-02-18** `e5cf2d4bd750` — 1 info - added the optional property `moderation_metadata` to the response with the `201` status - **2026-02-14** `af3972ab355c` — 93 info - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ButtonComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ButtonComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ButtonComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ChannelSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ChannelSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ChannelSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/MentionableSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/MentionableSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/MentionableSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/RoleSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/RoleSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/RoleSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/StringSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/StringSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/StringSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/UserSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/UserSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/UserSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ButtonComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ButtonComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ButtonComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ChannelSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ChannelSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ChannelSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/MentionableSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/MentionableSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/MentionableSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/RoleSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/RoleSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/RoleSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/StringSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/StringSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/StringSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/UserSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/UserSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/x-www-form-urlencoded) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/components/items/oneOf[#/components/schemas/UserSelectComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: multipart/form-data) - added `subschema #18: RADIO_GROUP, subschema #19: CHECKBOX_GROUP, subschema #20: CHECKBOX` to the `components/items/oneOf[#/components/schemas/ContainerComponentForMessageRequest]/components/items/oneOf[#/components/schemas/ActionRowComponentForMessageRequest]/type/allOf[#/components/schemas/MessageComponentTypes]/` request property `oneOf` list (media type: application/json) - …53 more - **2026-02-04** `e200830e509a` — 10 info - the response property `author/avatar` became required for the status `201` - the response property `author/avatar_decoration_data/oneOf[#/components/schemas/UserAvatarDecorationResponse]/sku_id` became required for the status `201` - the response property `author/collectibles/oneOf[#/components/schemas/UserCollectiblesResponse]/nameplate` became required for the status `201` - the response property `author/collectibles/oneOf[#/components/schemas/UserCollectiblesResponse]/nameplate/oneOf[#/components/schemas/UserNameplateResponse]/sku_id` became required for the status `201` - the response property `author/global_name` became required for the status `201` - the response property `author/primary_guild` became required for the status `201` - the response property `author/primary_guild/oneOf[#/components/schemas/UserPrimaryGuildResponse]/badge` became required for the status `201` - the response property `author/primary_guild/oneOf[#/components/schemas/UserPrimaryGuildResponse]/identity_enabled` became required for the status `201` - the response property `author/primary_guild/oneOf[#/components/schemas/UserPrimaryGuildResponse]/identity_guild_id` became required for the status `201` - the response property `author/primary_guild/oneOf[#/components/schemas/UserPrimaryGuildResponse]/tag` became required for the status `201` - **2026-01-15** `5c72b3477e32` — 3 warning - removed the request property `confetti_potion` (media type: application/json) - removed the request property `confetti_potion` (media type: application/x-www-form-urlencoded) - removed the request property `confetti_potion` (media type: multipart/form-data) --- [Operation](https://skmtc.dev/discord/apis/discord-http-api-preview/docs/lobbies/:lobby_id/messages/post.md) · [API](https://skmtc.dev/discord/apis/discord-http-api-preview.md) · [Page](https://skmtc.dev/discord/apis/discord-http-api-preview/changes/lobbies/:lobby_id/messages/post)